Andonova, Veneta (contributor); … - 2007
term, with
2
22
u
eu
σ
ρ
σ σ
=
+
. In our study, the estimation of ρ becomes relevant, since it
measures the relative … importance of the country-specific, unobserved effects on the adoption of
technology. If we assume that
1
[, ] 0
it it
Eu y Xβ δ …, Cambridge
University Press, Cambridge, UK.
Nathaniel, L. (1984). Externalities, Information Costs, and Social Benefit …